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SAE A 372 Grade G Class 65 Details

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A 372 Grade G Class 65 Application:Carbon and Alloy Steel Forgings for Thin-Walled Pressure Vessels

Category Type Grade Microstructure Designations
Grades Stainless Steels A 372 Grade G Class 65 Precipitation-Hardening USA - SAE , A 372/A 372M (2012) - Carbon and Alloy Steel Forgings for Thin-Walled Pressure Vessels

Chemical composition(wt.%) of A 372 Grade G Class 65 grade: A 372/A 372M (2012)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.40
Si - 1.00
Mn - 0.65
P - -
S - -
Ni - 3.00
Cr - 0.70
Al - -
Cu - -
Ti - -
Fe - -
Mo - -
Co - -
Carbon and Alloy Steel Forgings for Thin-Walled Pressure Vessels

Mechanical properties of grade A 372 Grade G Class 65 A 372/A 372M (2012)

Proof strength
Rp0.2 (MPa)
Tensile strength
Rm (MPa)
Impact energy
KV (J)
Elongation at fracture
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
149 (≥) 518 (≥) 44 33 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 313

Physical properties of grade A 372 Grade G Class 65 A 372/A 372M (2012)

Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
Modulus of elasticity
kN/mm2
Expansion rate
843 (≥) 641 (≥) 31 21 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 431
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
341 613 821

A 372 Grade G Class 65 - Form of Supply

Product type Products Dimension Processes Deliver Status
Plates / Sheets Plates / Sheets 0.08-200mm(T)*W*L Forging, hot rolling and cold rolling Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Steel Bar Round Bar, Flat Bar, Square Bar Φ8-1200mm*L Forging, hot rolling and cold rolling, Cast Black, Rough Turning, Shot Blasting,
Coil / Strip Steel Coil /Steel Strip 0.03-16.0x1200mm Cold-Rolled & Hot-Rolled Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Pipes / Tubes Seamless Pipes/Tubes, Welded Pipes/Tubes OD:6-219mm x WT:0.5-20.0mm Hot extrusion, Cold Drawn, Welded Annealed, Solution and Aging, Q+T, ACID-WASHED

Cross Reference Table(Equivalent Grade)

Grade Standard Country Application
A 372 Grade G Class 65 SAE USA
Carbon and Alloy Steel Forgings for Thin-Walled Pressure Vessels

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